For the Bill Nye Video on Light & Optics click here.
3rd Marking Period MID Benchmark Review
Answer all questions except 11 and 16
Answer all questions except 11 and 16


Refraction through a prism

Refraction w/ cars & carpet

Refraction

Refraction  Dive Fishing

Rainbow Science

Total Internal Reflection

Refraction of Light

For the StudyJams animation on light reflection, refraction, and absorption click here.
In Living Color

Sci Eye Color

Real vs Fake Color

Flashmob  Light Dance

Bill Nye  Light and Optics

Bill Nye  Light and Color

Play the light and color game by clicking here.
Law of Reflection:
The angle of incidence = the angle of reflection.
When a ray of light strikes a reflective surface (like a mirror) it always bounces off at a predictable angle. That angle is measured from an imaginary line called the normal. The normal is perpendicular (90 degrees) to the surface of the mirror. So, if the ray of light strikes the surface at 20 degrees from the normal, it also bounces off at 20 degrees from the normal. Note that the angles of incidence and reflection area measured from the normal to the ray, NOT from the mirror to the ray.
The angle of incidence = the angle of reflection.
When a ray of light strikes a reflective surface (like a mirror) it always bounces off at a predictable angle. That angle is measured from an imaginary line called the normal. The normal is perpendicular (90 degrees) to the surface of the mirror. So, if the ray of light strikes the surface at 20 degrees from the normal, it also bounces off at 20 degrees from the normal. Note that the angles of incidence and reflection area measured from the normal to the ray, NOT from the mirror to the ray.
For an animation on how light reflects off a mirror click here.
Concave & Convex Mirrors

Vocabulary
Roy G. Biv: The little man that helps us remember the order of visible light colors (from longer wavelengths to shorter wavelengths). His name stands for Red, Orange, Yellow, Green, Blue, Indigo, Violet.
normal: an imaginary line perpendicular to (forms a right angle to) the mirror
angle of incidence: the angle that the incoming light ray strikes the surface at. Measured from the "normal"
angle of reflection: the angle that the reflected light ray leaves the surface at. Measured from the "normal"
Law of Reflection: The angle of incidence equals the angle of relection. The angle that light strikes the surface of a mirror at is the same angle that the light ray leaves at.
circle: a set of points that are equidistant from a center point
semicircle: a halfcircle
degree: a unit used to measure angles
chord: a line segment that extends between two endpoints on a circle
semichord: the segment from the midpoint to the end point of a chord
angle: the figure formed by two rays with a common endpoint
vertex: the common end point of two rays forming an angle
ray: a set of points on a line beginning with a particular point and extending infinitely in one direction (a half line)
normal: an imaginary line perpendicular to (forms a right angle to) the mirror
angle of incidence: the angle that the incoming light ray strikes the surface at. Measured from the "normal"
angle of reflection: the angle that the reflected light ray leaves the surface at. Measured from the "normal"
Law of Reflection: The angle of incidence equals the angle of relection. The angle that light strikes the surface of a mirror at is the same angle that the light ray leaves at.
circle: a set of points that are equidistant from a center point
semicircle: a halfcircle
degree: a unit used to measure angles
chord: a line segment that extends between two endpoints on a circle
semichord: the segment from the midpoint to the end point of a chord
angle: the figure formed by two rays with a common endpoint
vertex: the common end point of two rays forming an angle
ray: a set of points on a line beginning with a particular point and extending infinitely in one direction (a half line)
Check out & quiz yourself on different lenses and mirrors here.
For a video on reflection, refraction, and absorption click here.
For a game on mirrors and light reflection angles click here.







What's refraction? Check out this quick interactive animation here.
For a quick explanation of what light is, click here.
Light travels in waves
Remember Roy G. Biv
(Red Orange Yellow Green Blue Indigo Violet)
(Red Orange Yellow Green Blue Indigo Violet)
 The red end of the spectrum is made of waves with less energy.
 The violet end of the spectrum has waves with more energy.
 Like making waves with a rope, if you want to increase the number of waves, you need more energy.
 As light waves enter our eyes, our brain interprets the amount of energy in these waves as colors.